Till I can say, all the S.granulata from Lanzarote that I've got w/op are
undulata (according to operc. patern).
I don't know how to distinguish them only for the shell pattern.
Greetings from Lanzarote
Javier Lopez


----- Original Message -----
From: "Antonio Agüera" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, July 10, 2005 3:56 AM
Subject: Semicassis granulata


> Dear friends
> This question is for all the people that are interested in cassids or in
> European molluscs. From some months ago I have been studying the cassids
> from Canary Islands and I found that the species Semicassis (S) granulate
> granulate doesn't exist in Canary Islands, all the specimens that I found
> that are similar to this species are lately confirmed to be a undulatum
> (using opercula studies). If I haven't in a mistake that's confirm that
> Semicassis granulate undulate isn't really a subspecies because there is
an
> special segregation, so Semicassis undulata can be considered a specie
> itself. For ensure my hypotesis I need some collaborators from canary or
> people that have Semicassis granulata from this place, with o without
> opercula. Can anybody help me?
> Regards
> Antonio Agüera
>
> -----Mensaje original-----
> De: Conchologists List [mailto:[log in to unmask]] En nombre de
Javier
> López
> Enviado el: sábado, 09 de julio de 2005 22:27
> Para: [log in to unmask]
> Asunto: Re: A few Conidae Questions
>
> Apropos of DNA studies. Can anyone help me?
> I live in Lanzarote, Canary Islands. We use to find a small-medium Conus,
> called Conus guanche.
> according to the Lauer's work, the Conus guanche is found in Tenerife and
> the Lanzarote's species belongs to ssp. Conus guanche nitens.
> It makes a lot of morphologic and morphometric comparisons to reach the
> results but ... here is my problem.
> We find a lot of specimens that grows much more than his biggest size for
> nitens, and also the spire shape is not the same in every cases. Till I
know
> the Conus guanche is not reported from Lanzarote, but only ssp. nitens
> Anyone knows any work studying the DNA of this species and its status?
> Thanks
> Javier López
> Lanzarote, Canary Islands
>
>
> ----- Original Message -----
> From: "Manuel J. Tenorio" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, July 07, 2005 9:09 PM
> Subject: Re: A few Conidae Questions
>
>
> > Yes, there are a number of papers dealing with DNA studies on conidae.
> > Much of the work has been carried out by Alan Kohn, Thomas Duda, Palumbi
> > and others, and also Rafael Zardoya and Regina Cunha have examined DNA
of
> > Cape Verde cones and are involved in more in depth studies of this kind.
> > I have references if anyone is interested.
> > Warmest regards
> >
> > Manuel Jimenez Tenorio
> >
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